An unusual highly emissive water-soluble iridium lissamine-alanine complex and its use in a molecular logic gate

resumo

The interaction of iridium(III) with a new lissamine rhodamine B sulfonyl derivative, bearing alanine as a building block, (1) with an orange emission in water results in a green highly emissive Ir@1 complex at room temperature. The new Ir@1 complex can sense the toxic Hg2+ metal ion and cysteine. Based on such properties, a new sophisticated molecular logic gate with three inputs was designed.

palavras-chave

RHODAMINE-BASED FLUORESCENT; ENERGY-TRANSFER; CHEMOSENSOR; MERCURY; PROBE; HG2+; IONS; RECOGNITION; SPIROLACTAM; SYSTEM

categoria

Chemistry

autores

Oliveira, E; Santos, SM; Nunez, C; Capelo, JL; Lodeiro, C

nossos autores

agradecimentos

E. O. acknowledges the post-doctoral grant from Fundacao para a Ciencia e a Tecnologia (FCT-MEC) (Portugal) SFRH/BPD/72557/2010. S. M. S. thanks FCT for the FCT Investigator starting grant IF/00973/2014. Authors thanks, PROTEOMASS Scientific Society (Portugal) for funding. All authors also thank LAQV/REQUIMTE (UID/QUI/50006/2013) and UCIBIO/REQUIMTE (UID/Multi/04378/2013) for funding and the NMR service from the National NMR Facility, supported by Fundacao para a Ciencia e a Tecnologia (RECI/BBB-BQB/0230/2012). C. N. thanks Xunta de Galicia (Spain) for her research contract I2C.

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